public class xiti23_5 {
	public static void main(String args []) {
		int []a ={10,20,30,40},b[]={{1,2},{4,5,6,7}};
		b[0] = a;
		b[0][1] = b[1][3];
		System.out.println(b[0][3]);
		System.out.println(a[1]);
	}
}

